#ifndef _ARPA_TELNET_H
#define _ARPA_TELNET_H

#define IAC   255
#define DONT  254
#define DO    253
#define WONT  252
#define WILL  251
#define SB    250
#define GA    249
#define EL    248
#define EC    247
#define AYT   246
#define AO    245
#define IP    244
#define BREAK 243
#define DM    242
#define NOP   241
#define SE    240
#define EOR   239
#define ABORT 238
#define SUSP  237
#define xEOF  236

#define SYNCH 242

#define telcmds                                                       \
  ((char[][6]){"EOF", "SUSP", "ABORT", "EOR", "SE",   "NOP", "DMARK", \
               "BRK", "IP",   "AO",    "AYT", "EC",   "EL",  "GA",    \
               "SB",  "WILL", "WONT",  "DO",  "DONT", "IAC", 0})

#define TELCMD_FIRST xEOF
#define TELCMD_LAST  IAC
#define TELCMD_OK(x) \
  ((unsigned int)(x) <= TELCMD_LAST && (unsigned int)(x) >= TELCMD_FIRST)
#define TELCMD(x) telcmds[(x) - TELCMD_FIRST]

#define TELOPT_BINARY         0
#define TELOPT_ECHO           1
#define TELOPT_RCP            2
#define TELOPT_SGA            3
#define TELOPT_NAMS           4
#define TELOPT_STATUS         5
#define TELOPT_TM             6
#define TELOPT_RCTE           7
#define TELOPT_NAOL           8
#define TELOPT_NAOP           9
#define TELOPT_NAOCRD         10
#define TELOPT_NAOHTS         11
#define TELOPT_NAOHTD         12
#define TELOPT_NAOFFD         13
#define TELOPT_NAOVTS         14
#define TELOPT_NAOVTD         15
#define TELOPT_NAOLFD         16
#define TELOPT_XASCII         17
#define TELOPT_LOGOUT         18
#define TELOPT_BM             19
#define TELOPT_DET            20
#define TELOPT_SUPDUP         21
#define TELOPT_SUPDUPOUTPUT   22
#define TELOPT_SNDLOC         23
#define TELOPT_TTYPE          24
#define TELOPT_EOR            25
#define TELOPT_TUID           26
#define TELOPT_OUTMRK         27
#define TELOPT_TTYLOC         28
#define TELOPT_3270REGIME     29
#define TELOPT_X3PAD          30
#define TELOPT_NAWS           31
#define TELOPT_TSPEED         32
#define TELOPT_LFLOW          33
#define TELOPT_LINEMODE       34
#define TELOPT_XDISPLOC       35
#define TELOPT_OLD_ENVIRON    36
#define TELOPT_AUTHENTICATION 37 /* Authenticate */
#define TELOPT_ENCRYPT        38
#define TELOPT_NEW_ENVIRON    39
#define TELOPT_EXOPL          255

#define NTELOPTS (1 + TELOPT_NEW_ENVIRON)
#ifdef TELOPTS
char *telopts[NTELOPTS + 1] = {
    "BINARY",
    "ECHO",
    "RCP",
    "SUPPRESS GO AHEAD",
    "NAME",
    "STATUS",
    "TIMING MARK",
    "RCTE",
    "NAOL",
    "NAOP",
    "NAOCRD",
    "NAOHTS",
    "NAOHTD",
    "NAOFFD",
    "NAOVTS",
    "NAOVTD",
    "NAOLFD",
    "EXTEND ASCII",
    "LOGOUT",
    "BYTE MACRO",
    "DATA ENTRY TERMINAL",
    "SUPDUP",
    "SUPDUP OUTPUT",
    "SEND LOCATION",
    "TERMINAL TYPE",
    "END OF RECORD",
    "TACACS UID",
    "OUTPUT MARKING",
    "TTYLOC",
    "3270 REGIME",
    "X.3 PAD",
    "NAWS",
    "TSPEED",
    "LFLOW",
    "LINEMODE",
    "XDISPLOC",
    "OLD-ENVIRON",
    "AUTHENTICATION",
    "ENCRYPT",
    "NEW-ENVIRON",
    0,
};
#define TELOPT_FIRST TELOPT_BINARY
#define TELOPT_LAST  TELOPT_NEW_ENVIRON
#define TELOPT_OK(x) ((unsigned int)(x) <= TELOPT_LAST)
#define TELOPT(x)    telopts[(x) - TELOPT_FIRST]
#endif

#define TELQUAL_IS    0
#define TELQUAL_SEND  1
#define TELQUAL_INFO  2
#define TELQUAL_REPLY 2
#define TELQUAL_NAME  3

#define LFLOW_OFF         0
#define LFLOW_ON          1
#define LFLOW_RESTART_ANY 2
#define LFLOW_RESTART_XON 3

#define LM_MODE        1
#define LM_FORWARDMASK 2
#define LM_SLC         3

#define MODE_EDIT     0x01
#define MODE_TRAPSIG  0x02
#define MODE_ACK      0x04
#define MODE_SOFT_TAB 0x08
#define MODE_LIT_ECHO 0x10

#define MODE_MASK 0x1f

#define MODE_FLOW   0x0100
#define MODE_ECHO   0x0200
#define MODE_INBIN  0x0400
#define MODE_OUTBIN 0x0800
#define MODE_FORCE  0x1000

#define SLC_SYNCH 1
#define SLC_BRK   2
#define SLC_IP    3
#define SLC_AO    4
#define SLC_AYT   5
#define SLC_EOR   6
#define SLC_ABORT 7
#define SLC_EOF   8
#define SLC_SUSP  9
#define SLC_EC    10
#define SLC_EL    11
#define SLC_EW    12
#define SLC_RP    13
#define SLC_LNEXT 14
#define SLC_XON   15
#define SLC_XOFF  16
#define SLC_FORW1 17
#define SLC_FORW2 18

#define NSLC 18

#define SLC_NAMELIST                                                           \
  "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", "ABORT", "EOF", "SUSP", "EC", \
      "EL", "EW", "RP", "LNEXT", "XON", "XOFF", "FORW1", "FORW2", 0,
#ifdef SLC_NAMES
char *slc_names[] = {SLC_NAMELIST};
#else
extern char *slc_names[];
#define SLC_NAMES SLC_NAMELIST
#endif

#define SLC_NAME_OK(x) ((unsigned int)(x) <= NSLC)
#define SLC_NAME(x)    slc_names[x]

#define SLC_NOSUPPORT  0
#define SLC_CANTCHANGE 1
#define SLC_VARIABLE   2
#define SLC_DEFAULT    3
#define SLC_LEVELBITS  0x03

#define SLC_FUNC  0
#define SLC_FLAGS 1
#define SLC_VALUE 2

#define SLC_ACK      0x80
#define SLC_FLUSHIN  0x40
#define SLC_FLUSHOUT 0x20

#define OLD_ENV_VAR   1
#define OLD_ENV_VALUE 0
#define NEW_ENV_VAR   0
#define NEW_ENV_VALUE 1
#define ENV_ESC       2
#define ENV_USERVAR   3

#define AUTH_WHO_CLIENT 0
#define AUTH_WHO_SERVER 1
#define AUTH_WHO_MASK   1

#define AUTH_HOW_ONE_WAY 0
#define AUTH_HOW_MUTUAL  2
#define AUTH_HOW_MASK    2

#define AUTHTYPE_NULL        0
#define AUTHTYPE_KERBEROS_V4 1
#define AUTHTYPE_KERBEROS_V5 2
#define AUTHTYPE_SPX         3
#define AUTHTYPE_MINK        4
#define AUTHTYPE_CNT         5

#define AUTHTYPE_TEST 99

#ifdef AUTH_NAMES
char *authtype_names[] = {
    "NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK", 0,
};
#else
extern char *authtype_names[];
#endif

#define AUTHTYPE_NAME_OK(x) ((unsigned int)(x) < AUTHTYPE_CNT)
#define AUTHTYPE_NAME(x)    authtype_names[x]

#define ENCRYPT_IS        0
#define ENCRYPT_SUPPORT   1
#define ENCRYPT_REPLY     2
#define ENCRYPT_START     3
#define ENCRYPT_END       4
#define ENCRYPT_REQSTART  5
#define ENCRYPT_REQEND    6
#define ENCRYPT_ENC_KEYID 7
#define ENCRYPT_DEC_KEYID 8
#define ENCRYPT_CNT       9

#define ENCTYPE_ANY       0
#define ENCTYPE_DES_CFB64 1
#define ENCTYPE_DES_OFB64 2
#define ENCTYPE_CNT       3

#ifdef ENCRYPT_NAMES
char *encrypt_names[] = {
    "IS",          "SUPPORT",   "REPLY",     "START", "END", "REQUEST-START",
    "REQUEST-END", "ENC-KEYID", "DEC-KEYID", 0,
};
char *enctype_names[] = {
    "ANY",
    "DES_CFB64",
    "DES_OFB64",
    0,
};
#else
extern char *encrypt_names[];
extern char *enctype_names[];
#endif

#define ENCRYPT_NAME_OK(x) ((unsigned int)(x) < ENCRYPT_CNT)
#define ENCRYPT_NAME(x)    encrypt_names[x]

#define ENCTYPE_NAME_OK(x) ((unsigned int)(x) < ENCTYPE_CNT)
#define ENCTYPE_NAME(x)    enctype_names[x]

#endif
